| Hygrocybe persistens var. persistens (Britzelm.) Singer, 1940 |
| Hygrocybe pratensis (Fr.) Murrill, 1914 |
| Hygrocybe pratensis var. pratensis (Fr.) Murrill, 1914 |
| Hygrocybe psittacina (Schaeff.) P. Kumm., 1871 |
| Hygrocybe psittacina var. psittacina (Schaeff.) P. Kumm., 1871 |
| Hygrocybe punicea (Fr.) P. Kumm., 1871 |
| Hygrocybe reae (Maire) J.E. Lange, 1923 |
| Hygrocybe singeri (A. H. Sm. & Hesler) Singer, 1958 |
| Hygrocybe spadicea (Scop.) P. Karst., 1879 |
| Hygrophoraceae Lotsy, 1907 |
| Hygrophorus Fr., 1836 |
| Hygrophorus arbustivus Fr., 1836 |
| Hygrophorus cantharellus Fr., 1838 |
| Hygrophorus chrysodon (Batsch) Fr., 1838 |
| Hygrophorus conicus (Schaeff.) Fr., 1838 |
| Hygrophorus erubescens (Fr.) Fr., 1838 |
| Hygrophorus fornicatus Fr., 1838 |
| Hygrophorus goossensiae Beeli, 1928 |
| Hygrophorus hypothejus (Fr.) Fr., 1838 |
| Hygrophorus immutabilis Peck, 1898 |